Home / 313,653,369.45-470,418,052.62-298,098,681.87

Finding the Fourth Proportional to 313,653,369.45, 470,418,052.62 and 298,098,681.87

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Solution

The fourth proportional to 313,653,369.45, 470,418,052.62 and 298,098,681.87 is: 447,089,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,653,369.45 : 470,418,052.62 = 298,098,681.87 : x
  2. Step 2: Convert to fraction form
    313,653,369.45/470,418,052.62 = 298,098,681.87/x
  3. Step 3: Cross multiply
    313,653,369.45x = 470,418,052.62 × 298,098,681.87
  4. Step 4: Simplify right side
    313,653,369.45x = 140,231,001,413,874,304
  5. Step 5: Solve for x
    x = 140,231,001,413,874,304/313,653,369.45
  6. Step 6: Final answer
    x = 447,089,096.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.